body,div,ul,li,p{margin: 0;padding: 0;border: 0}
body{
    font-family: 微软雅黑;
    width: 100%;
}
.top{
    width: 100%;
    height: 3.5rem;
    background: #3D444C;
    display: flex;
    align-content: center;
}
.tj{
    line-height: 3.5rem;
    margin: 0 auto;
    width: 94%;
    color: white;
    font-size: 1.3rem;
    display: flex;
    justify-content: space-between;
}